Honda Civic 2002-2003 Service Manual page 985

Keyless/Power Door Lock System
Keyless Receiver Unit Input Test (cont'd)
5. With the connector still disconnected, make the input test at the connector .
• If test indicates a problem, find and correct the cause, then recheck the system .
• If the input test proves OK, go to step 6.
Cavity
Wire Test condition
Test: Desired result I Possible cause if result is not obtained
2 BLu/ORN Under all
Check for continuity between
!
An open in the wire
conditions
the No.2 terminal and the
No.2 terminal of the
under-dash fuse/relay box
connector K (17P).
i
There should be continuitv.
6. Reconnect the 5P connector, and make these input tests at the connector.
If any test indicates a problem, find and correct the cause, then recheck the system.
If all the input tests prove OK, replace the keyless receiver unit.
Cavity
Wire
Test condition
Test: Desired result Possible cause if result is not obtained
1 BLK Under all
Check for voltage to ground: • Poor ground (G502)
conditions There should be 1 V or less.
• An ooen in the wire
3 VEL
Ignition switch Check for voltage to ground: • Blown No. 10 (7.5A) fuse in the
ON (II)
There should be battery under-dash fuse/relay box
voltaae.
• An open in the wire
5 WHT/RED Under all Check for voltage to ground: • Blown NO.9 (lOA) fuse in the
conditions There should be battery under-hood fuse/relay box
voltaae.
• An open in the wire
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